3-(Methylthio)propionic acid CAS 646-01-5
| CAS No. | 646-01-5 |
| Molecular Formula | C4H8O2S |
| Molecular Weight | 120.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 3-(Methylthio)propionic acid (CAS 646-01-5), a certified reference material (molecular formula C4H8O2S, MW 120.17 g/mol) for analytical method development and quality control.
3-(Methylthio)propionic acid (C4H8O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
As a certified reference material (CRM), 3-(Methylthio)propionic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C4H8O2S |
| Molecular Weight | 120.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related Methylthio Standards
- (Methylthio)methyl acetate (CAS 16437-69-7)
- Methyl 2-(methylthio)acetate (CAS 16630-66-3)
- (R)-2-(Methylthio)propanoic acid (CAS 33178-97-1)
- 1-(Methylthio)butan-2-ol (CAS 76137-53-6)
- 2-Methyl-2-(methylthio)-1-propanol (CAS 27874-69-7)
- 4-(Methylthio)butanol (CAS 20582-85-8)
- (3-(Methylthio)propyl)hydrazine (CAS 1183373-27-4)
- 1,1-Bis(methylthio)ethylene (CAS 51102-74-0)
Recommended Standards
- 2-methanesulfonylprop-1-ene (CAS 69773-82-6)
- 3-Hydroxytetrahydrothiophene 1-oxide (CAS 92630-07-4)
- 2-Mercaptopropionic Acid Methyl Ester (CAS 53907-46-3)
- 3-Mercaptopropanehydrazide (CAS 689-02-1)
- 2'-Methoxy-5'-methyl-[1,1'-biphenyl]-4-carboxylic acid (CAS 1181269-37-3)
- Telaprevir RC 1 (CAS 1596653-85-8)
- Tert-butyl (3-aminopropyl)(methacryloyl)carbamate (CAS 1373253-18-9)
- 4-Bromo-1-(1,1,1,3,3,3-hexafluoropropan-2-yloxy)-2-(trifluoromethyl)benzene (CAS 1713160-33-8)
- (3-(Pent-4-ynamido)phenyl)boronic acid (CAS 1392407-74-7)
- tert-Butyl 2-(hydroxymethyl)benzyl(methyl)carbamate (CAS 1823520-56-4)
- (S)-6-chloro-4-fluoro-2,3-dihydro-1H-inden-1-amine (CAS 1213921-24-4)
- N-((2-Methoxyadamantan-2-yl)methyl)-2-(o-tolyloxy)acetamide (CAS 1797695-03-4)
- 4-(1-Pyrrolidinyl)-3-pyrrolidinol (CAS 1269602-06-3)
- Semaglutide Impurity 10 (CAS CATO-C4X-222610)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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